Date: 11/15/20 1:48 pm
From: Alan Contreras <acontrer56...>
Subject: [obol] Re: swifts
I wonder if the smoke in Sep held any back. Seems too long ago to have had much effect.

Alan Contreras
Eugene, Oregon

<acontrer56...>

www.alanlcontreras.com


> On Nov 15, 2020, at 1:44 PM, Tom Crabtree <tc...> wrote:
>
> 
> Alan,
>
> Chimney Swifts do linger within their range longer than Vaux’s. Here are maps showing sightings in Ebird for November (all years). First is Chimney:
>
> <image004.jpg>
>
> Here is Vaux’s. The three records from north of us are all single birds on one date only
> <image003.png>
>
> With 5 birds it diminishes the chances of it being Chimneys. All sightings north of the SF Bay area in the West have been of single birds other than 4 found by an observer in his backyard near Kalispell, MT. The handful of North American records for Common Swift have all been single birds, so that would by highly unlikely.
>
> Tom
>
>
> -----Original Message-----
> From: <obol-bounce...> [mailto:<obol-bounce...>] On Behalf Of Alan Contreras
> Sent: Sunday, November 15, 2020 12:27 PM
> To: OBOL <obol...>
> Subject: [obol] swifts
>
> Ezra Cohen reports five Vaux’s Swifts in Portland. I surmise the latest ever for Oregon. I wonder if Chimney or even Common Swift would be more likely this late. Thoughts?
>
> Alan Contreras
> Eugene, Oregon
>
> <acontrer56...>
>
> www.alanlcontreras.com
>
> *******
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